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dbms/tests/queries/0_stateless/01083_match_zero_byte.reference
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4 key="v" 10 v | ||
\0 key="v" 10 v | ||
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select match('a key="v" ', 'key="(.*?)"'); | ||
select match(materialize('a key="v" '), 'key="(.*?)"'); | ||
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select match('\0 key="v" ', 'key="(.*?)"'); | ||
select match(materialize('\0 key="v" '), 'key="(.*?)"'); | ||
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select multiMatchAny('\0 key="v" ', ['key="(.*?)"']); | ||
select multiMatchAny(materialize('\0 key="v" '), ['key="(.*?)"']); | ||
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select unhex('34') || ' key="v" ' as haystack, length(haystack), extract( haystack, 'key="(.*?)"') as needle; | ||
-- works, result = v | ||
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select unhex('00') || ' key="v" ' as haystack, length(haystack), extract( haystack, 'key="(.*?)"') as needle; | ||
-- before fix: returns nothing (zero-byte in the begining of haystack) | ||
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select number as char_code, extract( char(char_code) || ' key="v" ' as haystack, 'key="(.*?)"') as needle from numbers(256); | ||
-- every other chars codes (except of zero byte) works ok |